标签：刷题 - 喵雨の小屋|木更老婆！！！

dfs--acwing排列数字

蓝桥杯算法刷题

#include <iostream>using namespace std;const int N = 10;bool st[N];int path[N];int n;void dfs(int u){ if(u == n){ for(int i = 0;i <

蓝桥杯算法刷题

参考：https://www.acwing.com/solution/content/56819/#include <iostream>#include <algorithm>#include <string>using namespace std;int num